lst = ['hello', 'world', 'python']
print(lst, id(lst))

lst.append('sql')

print(lst, id(lst))

lst.insert(1, 'php')
print(lst, id(lst))

lst.remove('php')
print(lst, id(lst))

lst.reverse()
print(lst, id(lst))

lst.pop(0)
print(lst, id(lst))

new_lst = lst.copy()
print(new_lst, id(new_lst))

new_lst[1] = 'ceshi'
print(new_lst, id(new_lst))